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Proceedings Paper

Grating coupled surface emitters: integrated lasers, amplifiers, and beam shaping outcouplers
Author(s): Anders G. Larsson; Niklas Eriksson; Sigurgeir Kristjansson; Peter Modh; Masahiro Uemukai; Toshiaki Suhara; Hiroshi Nishihara
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Paper Abstract

Grating coupled surface emitting lasers (GCSELs) are in- plane lasers monolithically integrated with grating outcouplers for beam shaping and image generation. Highly directional and efficient outcouplers can be formed using various grating and waveguide geometries. Beam shaping features are incorporated using a computer generated waveguide hologram that allows the wavefront of the emitted light to be tailored for the required beam shape. Requirements on the integrated in-plane laser include a wide and spatially coherent guided wave with a minimum of wavefront distortion and a stable emission wavelength. Promising lasers for this purpose are master-oscillator power-amplifier configurations as well as various kinds of unstable resonator designs. Here we present results from modeling and experiments on the key elements of GCSELs as well as fully integrated GCSELs of linear and circular geometries.

Paper Details

Date Published: 14 April 1999
PDF: 12 pages
Proc. SPIE 3626, Testing, Packaging, Reliability, and Applications of Semiconductor Lasers IV, (14 April 1999); doi: 10.1117/12.345429
Show Author Affiliations
Anders G. Larsson, Chalmers Univ. of Technology (Sweden)
Niklas Eriksson, Chalmers Univ. of Technology (Sweden)
Sigurgeir Kristjansson, Chalmers Univ. of Technology (United States)
Peter Modh, Chalmers Univ. of Technology (Sweden)
Masahiro Uemukai, Osaka Univ. (Japan)
Toshiaki Suhara, Osaka Univ. (Japan)
Hiroshi Nishihara, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 3626:
Testing, Packaging, Reliability, and Applications of Semiconductor Lasers IV
Mahmoud Fallahi; S. C. Wang; Mahmoud Fallahi; Kurt J. Linden; S. C. Wang, Editor(s)

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